version 1.16, 1998/05/15 21:24:39
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version 1.21, 2000/09/23 15:06:03
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\ WORDINFO.FS V1.0 17may93jaw |
\ WORDINFO.FS V1.0 17may93jaw |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1998,2000 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ If you want check values then exclude comments, |
\ If you want check values then exclude comments, |
\ but keep in mind that this can't be cross-compiled |
\ but keep in mind that this can't be cross-compiled |
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\ INCLUDE look.fs |
require look.fs |
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\ Wordinfo is a tool that checks a nfa |
\ Wordinfo is a tool that checks a nfa |
\ and finds out what wordtype we have |
\ and finds out what wordtype we have |
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\ the old alias? did not work and it is not used, so I changed |
\ the old alias? did not work and it is not used, so I changed |
\ it in many respects - anton |
\ it in many respects - anton |
: alias? ( nfa1 -- nfa2|0 ) |
: alias? ( nfa1 -- nfa2|0 ) |
\ if nfa1 is an alias, nfa2 is the name of the original word |
\ if nfa1 is an alias, nfa2 is the name of the original word. |
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\ if the original word has no name, return 0. |
dup cell+ c@ alias-mask and 0= |
dup cell+ c@ alias-mask and 0= |
IF ( nfa1 ) |
IF ( nfa1 ) |
((name>)) @ >name ( use look instead? ) |
((name>)) @ >name |
ELSE |
ELSE |
drop 0 |
drop 0 |
THEN ; |
THEN ; |
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[IFDEF] forthstart |
[IFDEF] forthstart |
: xtprim? ( xt -- flag ) |
: xtprim? ( xt -- flag ) |
dictionary-end forthstart within ; \ !! does not work for CODE words |
in-dictionary? 0= ; \ !! does not work for CODE words |
[ELSE] |
[ELSE] |
: xtprim? ( xt -- flag ) |
: xtprim? ( xt -- flag ) |
dup >body swap >code-address = ; \ !! works only for indirect threaded code |
dup >body swap >code-address = ; \ !! works only for indirect threaded code |